Παραπομπή APA
Vernon, R., & Wells, L. T. (1976). Economic environment of international business (2d ed.). Englewood Cliffs, N.J.: Prentice-Hall.
Παραπομπή Chicago StyleVernon, Raymond, and Louis T. Wells. Economic Environment of International Business. 2d ed. Englewood Cliffs, N.J.: Prentice-Hall, 1976.
Παραπομπή MLAVernon, Raymond, and Louis T. Wells. Economic Environment of International Business. 2d ed. Englewood Cliffs, N.J.: Prentice-Hall, 1976.
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